Update readme with deprecation

Author: csutorasa

README.md

@@ -1,7 +1,6 @@
 [![Build XOutput](https://github.com/csutorasa/XOutput/workflows/Build%20XOutput/badge.svg)](https://github.com/csutorasa/XOutput/actions?query=branch%3Amaster)
 [![Github All Releases](https://img.shields.io/github/downloads/csutorasa/XOutput/total.svg)](https://github.com/csutorasa/XOutput/releases/)
 [![Download XOutput](https://img.shields.io/sourceforge/dt/xoutput.svg)](https://sourceforge.net/projects/xoutput/files/latest/download)
-[![Donate](https://img.shields.io/badge/Donate-PayPal-green.svg)](https://paypal.me/csutorasa)
 [![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=XOutput&metric=alert_status)](https://sonarcloud.io/dashboard?id=XOutput)
 [![Discord](https://img.shields.io/discord/673150216169455637?label=Discord&logo=Discord)](https://discord.gg/Y628tcp)
 
@@ -16,20 +15,17 @@ XInput is the new standard game controller input on windows, and DirectInput can
 
 ## General information
 
-If you have any questions or feature requests feel free to create [Github Issue](https://github.com/csutorasa/XOutput/issues).
-
-Any contribution is welcome, open your [Pull request](https://github.com/csutorasa/XOutput/pulls).
-
 To join the discussion or just say hi, there is a [discord channel](https://discord.gg/Y628tcp).
 
-**This version is currently under development. Please use [3.x](https://github.com/csutorasa/XOutput/tree/3.x) version for stable features**
+**This application is deprecated as the emulation softwares it used are no longer supported.**
+**This version is unreleased. Please use [3.x](https://github.com/csutorasa/XOutput/tree/3.x) version for the latest version**
 
-| Version                                              | State                                   | Support                           |
-| ---------------------------------------------------- | --------------------------------------- | --------------------------------- |
-| **[4.x](https://github.com/csutorasa/XOutput)**      | **Under development (no releases yet)** | **Development with new features** |
-| [3.x](https://github.com/csutorasa/XOutput/tree/3.x) | Stable                                  | Bugfixes only                     |
-| 2.x                                                  | Old version (superseeded by 3.x)        | Expired at Mar 7 2018             |
-| 1.x                                                  | Old version (superseeded by 3.x)        | Expired at Mar 7 2018             |
+| Version                                              | State                            | Support               |
+| ---------------------------------------------------- | -------------------------------- | --------------------- |
+| **[4.x](https://github.com/csutorasa/XOutput)**      | **No releases**                  | Unreleased            |
+| [3.x](https://github.com/csutorasa/XOutput/tree/3.x) | Unsupported                      | Expired at Dec 3 2024 |
+| 2.x                                                  | Old version (superseeded by 3.x) | Expired at Mar 7 2018 |
+| 1.x                                                  | Old version (superseeded by 3.x) | Expired at Mar 7 2018 |
 
 ## How to install